Status:

RECRUITING

A Study to Assess Efficacy and Safety of Empasiprubart Versus IVIg in Adults With CIDP

Lead Sponsor:

argenx

Conditions:

Chronic Inflammatory Demyelinating Polyneuropathy

CIDP

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

The main purpose of this study is to compare empasiprubart and IVIg for treating people with CIDP. This study consists of a Part A where participants will either receive empasiprubart and a placebo re...

Eligibility Criteria

Inclusion

  • Meets criteria for CIDP based on EAN/PNS Task Force CIDP guidelines, second revision (2021)
  • Has either typical CIDP or 1 of the following CIDP variants: motor CIDP, multifocal CIDP (also known as Lewis-Sumner syndrome), focal CIDP, or distal CIDP
  • Has responded to IVIg in the past 5 years
  • Receiving treatment with IVIg within a standard optimal maintenance dosing regimen, with a minimum weekly IVIg dose of at least 0.125 g/kg
  • Has residual disability and active disease

Exclusion

  • Besides the indication under study, known autoimmune disease or any medical condition that would interfere with an accurate assessment of clinical symptoms of CIDP or puts the participant at undue risk, including polyneuropathy of other causes
  • Meets the criteria for possible or sensory CIDP based on EAN/PNS Task Force CIDP guidelines, second revision (2021)
  • Use of other long-acting immunomodulatory treatment

Key Trial Info

Start Date :

August 22 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2030

Estimated Enrollment :

218 Patients enrolled

Trial Details

Trial ID

NCT06920004

Start Date

August 22 2025

End Date

September 1 2030

Last Update

January 8 2026

Active Locations (10)

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Page 1 of 3 (10 locations)

1

Colorado Springs Neurological Associates

Colorado Springs, Colorado, United States, 80907

2

MedStar Washington Hospital Center

Washington D.C., District of Columbia, United States, 20010

3

Homestead Associates in Research Inc

Homestead, Florida, United States, 33033

4

Visionary Investigators Network

Miami, Florida, United States, 33133

A Study to Assess Efficacy and Safety of Empasiprubart Versus IVIg in Adults With CIDP | DecenTrialz